MONDAY, April 8 (HealthDay News) -- Small kids who are given large plates and then allowed to serve themselves take more food and consume more calories, new research finds.
The study used 41 first-graders in a Philadelphia elementary school to test whether adult research on dishware size and food intake also holds true for children.
"We found that children served themselves about 90 more calories when they used the large plate at lunch [compared to a small plate]," said Katherine DiSantis, assistant professor of community and global public health at Arcadia University in Glenside, Penn.
It turns out, however, that the kids had a case of eyes-bigger-than-stomach. "They ate approximately half of every additional calorie they served themselves," DiSantis said.
The study, funded by the U.S. Department of Agriculture, was published online April 8 in the journal Pediatrics and will be in the May print issue of the journal.
Obesity in children is a growing problem in the United States. About 17 percent of children aged 2 to 19 are obese, according to the U.S. Centers for Disease Control and Prevention.
In adults, the size of the dinner plate is known to affect how much they put on it and how much they eat, DiSantis said. Other research has found that children eat more food when they are served larger portions. But it was not known, DiSantis said, whether the use of larger, adult-sized plates would make kids take and eat more food if they served themselves.
The researchers invited the 41 first graders from two different classrooms at a private elementary school to eat lunch, using a small child's plate first and then an adult-sized one. The children had their choice of an entree and side dishes (pasta with meat sauce, chicken nuggets, mixed vegetables and applesauce). They all got fixed portions of milk and bread with each meal.
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